Genus Filifactor

Name: Filifactor Collins et al. 1994

Category, proposed as: genus, gen. nov.

Etymology: Fi.li.fac’tor. L. neut. n. filum, thread; L. masc. n. factor, a maker; N.L. masc. n. Filifactor, thread-maker

Gender, pronunciation (Latin): masculine (stem: Filifactor-), fi-li-FAK-tor

Type species: Filifactor villosus (Love et al. 1979) Collins et al. 1994

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Collins MD, Lawson PA, Willems A, Cordoba JJ, Fernandez-Garayzabal J, Garcia P, Cai J, Hippe H, Farrow JA. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int J Syst Bacteriol 1994; 44:812-826. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 4 of the IJSB. Int J Syst Bacteriol 1995; 45:199-200.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the family Filifactoraceae Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🧕 Chuvochina et al. (2023) assigned this genus to the family Filifactoraceae Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🚋 The type species of this genus has alternatively been placed in the genus Clostridium Prazmowski 1880 (Approved Lists 1980). Publication: Love DN, Jones RF, Bailey M. Clostridium villosum sp. nov. from subcutaneous abscesses in cats. International Journal of Systematic Bacteriology 1979; 29:241-244.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Filvactor".
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 2; NCTC: 1; DSM: 1; CCUG: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, note = "P650 = v". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Filifactor alocis (Cato et al. 1985) Jalava and Eerola 1999	validly published under the ICNP	correct name
    Filifactor villosus (Love et al. 1979) Collins et al. 1994	validly published under the ICNP	correct name

Parent taxon: Peptostreptococcaceae Ezaki 2010

Assigned by: Ezaki T. Family VII. Peptostreptococcaceae fam. nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 1008. 🇧🇪

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Record number: 515628